Ali Khan
Fort Worth,TX
Summary
Results-driven Senior Systems Administrator with over 15 years of experience in managing enterprise IT infrastructures. Expertise in Windows and Linux systems, virtualization, cloud platforms (AWS, Azure), network security, and disaster recovery. Proven track record of optimizing performance, reducing downtime, and leading complex infrastructure projects. Strong leadership, communication, and problem-solving skills.
Overview
8
8
years of professional experience
Work History
Senior Systems Engineer
Envision Healthcare
01.2023 - 01.2025
- Administered over 300 virtual and physical servers (Windows/Linux) across multiple data centers and cloud environments.
- Designed and implemented a hybrid cloud migration strategy using Azure, reducing infrastructure costs by 25%.
- Automated routine tasks using PowerShell scripts, saving 20+ hours per month in manual labor.
- Installed, Maintained, and administered Veeam backup
- Led a security hardening initiative that improved audit compliance scores by 40%.
- Managed VMware vSphere environments, performing upgrades, snapshots, and VM provisioning.
- Provided mentorship and technical leadership to a team of 4 junior administrators.
Sr. Systems Administrator
Encore
05.2021 - 12.2022
- Maintained and supported infrastructure services: DNS, DHCP, AD, file/print servers.
- Implemented SCCM for patch management and OS deployment, improving patch compliance by 30%.
- Performed routine server backups and managed Veeam-based disaster recovery solution.
- Collaborated with DevOps team to support CI/CD pipelines and automate server provisioning.
Sr. Systems Engineer/Lead
Viyu
08.2020 - 04.2021
- Supported various client’s systems and backend infrastructure for a local & global workforce.
- On-Prem to 365/AWS Migration
- Installed, Maintained, administered Veeam backup
- Configured and maintained MS Windows/Linux-based web and database servers.
- Resolved Tier 3 support issues and served as escalation point for helpdesk technicians.
OnLok Senior Healthcare
08.2016 - 12.2019
- VMware management and support
- On-Prem to 365/AWS Migration
- Installed, Maintained, administered Veeam backup
- Configured and maintained MS Windows/Linux-based web and database servers.
- Resolved Tier 3 support issues and served as escalation point for helpdesk technicians.
- Managed IBM Storewize, Pure, Cisco Hyperflex environments.
- Mentored and Managed Junior engineers.
- Managed Brocade, Cisco switches.
- In charge of firewall support (PAN, CheckPoint)
- Internal and external Pen testing using vari9us different tools.
- Setup DR Site and tested failover using Zerto (PoC), VMware.
Education
High School Diploma -
West Torrance High
Torrance, CASkills
- Windows/Linux Server Administration
- Active Directory, Group Policy, DNS/DHCP
- Virtualization (VMware, Hyper-V)
- Cloud Computing (AWS, Azure)
- Backup & Disaster Recovery
- Network & Information Security
- Scripting (PowerShell, Bash)
- Monitoring & Performance Tuning
- ITIL, Change Management
- Configuration Management (Ansible, SCCM)
- Storage Implementation & Administration
Timeline
Senior Systems Engineer
Envision Healthcare
01.2023 - 01.2025
Sr. Systems Administrator
Encore
05.2021 - 12.2022
Sr. Systems Engineer/Lead
Viyu
08.2020 - 04.2021
OnLok Senior Healthcare
08.2016 - 12.2019
High School Diploma -
West Torrance High